20404+4345 GII  99

 
 
20h 40m 24.63s +43 45' 02.7" P.A. 220 sep 3.6 mag 10.90,13.50
 
 
Coord 2000
20404+4345
Discov num
GII  99
Comp
Coord arcsec 2000
20 40 24.63 +43 45 02.7
Date first
1998
Date last
2015
Obs
4
Pa first
220
Pa last
220
P.A. Now (θ)
220°
Sep first
3.7
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
10.90
Mag sec
13.50
delta mag (ΔM)
2.6
Spectral class
Pri motion ra
+001
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
220.3
Precise sep
3.604
Constellation
Cygnus
Tycho2
3178-00981-1
Gaia DR2
40838390656
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20404+4345 GII 99 2015 3 220 3.6 10.90 13.50 204024.63+434502.7

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